.home-banner{
    width:800px;
    height:480px;
    div{
        width:800px;
        height:480px;
        position: relative;
        img{
            width:800px;
            height:480px;
        }
        a{
            position: absolute;
            top:0;
            left:0;
            width:100%;
            height:100%;
            display: flex;
            justify-content: center;
            align-items: center;
            color:red;
            font-size:20px;
        }
    }
}